repositoryselector.java

来自「apache的log4j源码」· Java 代码 · 共 50 行

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */



package org.apache.log4j.spi;


/**

   The <code>LogManager</code> uses one (and only one)
   <code>RepositorySelector</code> implementation to select the
   {@link LoggerRepository} for a particular application context.

   <p>It is the responsability of the <code>RepositorySelector</code>
   implementation to track the application context. Log4j makes no
   assumptions about the application context or on its management.

   <p>See also {@link org.apache.log4j.LogManager LogManager}.

   @author Ceki G&uuml;lc&uuml;
   @since 1.2

 */
public interface RepositorySelector {

  /**
     Returns a {@link LoggerRepository} depending on the
     context. Implementors must make sure that a valid (non-null)
     LoggerRepository is returned.
  */
  public
  LoggerRepository getLoggerRepository();
}